package thread1;

public class Deadlock2 {
    static class Friend {
        private final String name;
        public Friend(String name) {
            this.name = name;
        }
        public String getName() {
            return this.name;
        }
        public synchronized void bow(Friend bower) {
            System.out.format("%s: %s has bowed to me!%n", 
                    this.name, bower.getName());
            System.out.println("vou chamar o bowback");
            bower.bowBack(this);
            System.out.println("passei do bowback");
        }
        public synchronized void bowBack(Friend bower) {
            System.out.format("%s: %s has bowed back to me!%n",
                    this.name, bower.getName());
        }
    }

    public static void main(String[] args) {
        final Friend alphonse = new Friend("Alphonse");
        final Friend gaston = new Friend("Gaston");
        Thread a = new Thread(new Runnable() {public void run() { alphonse.bow(gaston); }});
        Thread b = new Thread(new Runnable() {public void run() { gaston.bow(alphonse); }});
        a.start();
        b.start();
    }
}